There are tons of articles available on the internet on the basics of how to run something, but there is a huge gap when you run something just to test it out and run it in production. A lot of tools will break when they start working at scale. In this series, we are going
Category: Docker
Basics on Kubernetes: Basic debugging with kubectl
In our previous article series on Basics on Kubernetes which is still going, we talked about different components like control plane, pods, etcd, kube-proxy, deployments, etc. You can read the article series on Learnsteps. In this article, we are going to see how we can do basic debugging in Kubernetes. Before starting I am assuming
Kubernetes Upgrade Failure Story: How a CNI config caused havoc in our Redis Infrastructure.
In one of my organizations, most of our Redis infrastructure runs on Kubernetes. if you know about the Redis cluster, you can connect to shards using the IP of the machines. Since we are running Redis in statefulsets, we have exposed the IPs of the pods inside our infrastructure. Kubernetes cluster is EKS and the
What are SideCar Containers – Implementation with Linux Namespaces
In this post, we will see how does Kubernetes application uses a side-car container to its advantage to implementing new features. More information about what is sidecar container and how it can be used can be found here For getting into the depth of this topic we will go into the depth of the container
What is Optimistic Concurrency? How does is it help to scale the Kubernetes cluster?
In this blog post, we will know how does optimistic concurrency helps Kubernetes to scale and accommodate more and more plugins into it. We will also try to give you certain examples in order for us to understand them better. Brief about Kubernetes. Kubernetes is an orchestration tool which helps us to orchestrate different application
What is kubelet and what it does: Basics on Kubernetes.
In our previous articles in series basics on Kubernetes we have talked about etcd and Kube proxy and what are their exact functions in Kubernetes. If you have not read them you can find these articles below. In this article we are going to talk about a very important component kubelet and what are its
Tools in DevOps for every purpose
In this article, we are going to see tools for a different section of DevOps. Tools when combined together form a solid base on which the SRE and DevOps rely on and most of the tools are opensource. Let’s start with tools in DevOps for every purpose. Lets first list down the different components that
DevOps Interview Question: How will you set up a CI/CD pipeline?
In recent times I have got many requests asking how to answer this question. In this article, I will try to answer it in two ways. So let’s start with How will you set up a CI/CD pipeline? If we look closely we have the following things that can construct a CI CD pipeline. A
What are init containers and why do you need them?
What are init containers and why do you need them?
What is Copy on Write and where is it used?
Recently while working with one of the databases I came across a method that is widely used by many databases to take a snapshot of the memory into a disk. One of the most famous that you have heard of is Redis. The method is called copy on write. Let’s see what is a copy